surface book battery drain while shut down

Anonymous
2015-12-09T16:09:58+00:00

Split from this thread.

I have been noticing that when I shutdown my surface book, when I power it on the next day the battery has drained some. If I leave it off for a couple of days it will drain down from 100% to around 85% or lower.

I disabled fast startup... and then just decided to disable hibernation altogether. That didn't help.

I have windows hello disabled, but that shouldn't matter anyway since I'm shutting it down, not sleeping.

Some searching and I found a general windows 10 issue with the "Intel Management Engine Interface" driver. Some say that v11 can cause this issue. One solution that I have seen suggested is to go into device manager and in the power management tab for this device uncheck the option that allows windows to power it down to save power. I tried that and it didn't help.

Others have suggested downgrading the driver from v11 to v9 or v10, but I don't know where to get v9 or v10 of this driver that is compatible with the surface book. Anyone know if one of the downloads on Intel's site would be compatible?

So, has anyone else noticed this issue and know of a fix?

Surface | Surface Book | Power and battery

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  1. Anonymous
    2015-12-04T15:09:55+00:00

    Vansover: That actually isn't too bad, 0.12 w, not too far off the mark for most laptops.

    What some of us are seeing (and me) is.. 20-30% battery loss while in sleep mode for 2-3 hours, and up to 15% battery loss after a hard shutdown (overnight) or more. Where is the power going?! If I completely shut everything down, where is that 15-20% going overnight? I just don't get it.

    Seems like some of us have lemons, and others have a better experience.

    I am currently using battery saver, have turned off Cortana, have turned off Hello, and have limited my startup items. I also changed my power savings to Hibernation instead of Sleep mode with lid closed. I'm going to see if this makes any difference before returning my SB in 2 weeks.

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  2. Anonymous
    2015-12-04T15:05:17+00:00

    7 Hours of hard (hard?) shutdown took the battery from 100% to 98.8%.

    Assuming we have about a ~70.5Wh battery, this consumption indicates 0.12W energy consumption during shutdown

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  3. Anonymous
    2015-12-04T14:30:09+00:00

    Ditto. I was going to return mine today but realized the closest store is like 6 1/2 hrs from here. I'll wait until I go on Christmas Break in another 2 weeks, when I'll be less than a week out from my return period. I'll return it for same device or a SP4 if issues still persist.

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  4. Anonymous
    2015-12-04T07:32:54+00:00

    Split from this thread.

    Keep us updated. I have indeed experienced battery drain while shutdown myself. I have no idea how this is possible.

    MS's silence is deafening here. Unbelievable they wouldn't throw us a bone

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  5. Anonymous
    2015-12-03T20:09:36+00:00

    I'm on my second Surface Book and it's the same problem.  In 24 hours of being shutdown I went to 92% overall battery but if you look it was at 86% on battery 2 (the clipboard) and 98% on the base.  So basically completely off the clipboard loses 14% of the battery in 24 hours.  It's obviously something is still drawing a pretty substantial power.  I know the rumor is the clipboard release might be the cause but it's something that needs to be addressed.  That much power loss when a device is shutdown is ridiculous.  Other laptops have had the power drain issue and it was always a BIOS/firmware update to fix it.

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